It's because the Apple I had no built-in BASIC, and booted to a Monitor prompt. It was hard to use without a manual in front of you. Meanwhile, the Apple II j

It's because the Apple I had no built-in BASIC, and booted to a Monitor prompt. It was hard to use without a manual in front of you. Meanwhile, the Apple II just let you put in a disk and boot a program. Huge difference in usability.